- an opening, orifice, or short passage, as in a bone or in the integument of the ovule of a plant.
Origin of foramen
Examples from the Web for foraminal
Historical Examples of foraminal
Foraminal tubule stout, cylindrical, usually somewhat contorted; its orifice irregular in outline.
The foraminal tubules are usually long and bent, but are sometimes very short and quite straight.
- a natural hole, esp one in a bone through which nerves and blood vessels pass
Word Origin for foramen
plural foramina, 1670s, from Latin foramen "hole, opening, aperture, orifice," from forare "to pierce" (see bore (v.)).
- An aperture or perforation through a bone or a membranous structure.
- An opening or short passage, especially in the body.♦ The large opening in the base of the skull through which the spinal cord passes is called the foramen magnum (măg′nəm).♦ The opening in the septum between the right and left atria of the heart, present in the fetus but usually closed soon after birth, is the foramen ovale (ō-văl′ē, -vā′lē, -vä′-).